McDermott International (NYSE: MDR) has successfully completed the installation scope associated with the Otis development in the Gulf of Mexico for LLOG Exploration Offshore, McDermott said in a news release.

McDermott’s lay vessel North Ocean 105 completed the deepwater subsea tieback from the Otis well in Mississippi Canyon 79 to the Delta House floating production system in water depths ranging from 3,861 ft to 4,420 ft, the release said. Project management, engineering and installation of 70,000 ft of insulated rigid flowline and insulated steel catenary riser as well as a control umbilical, PLEM jumper and associated flying leads were included in the work scope.

The flowline and riser were fabricated at McDermott’s new spoolbase and marine facility in Gulfport, Mississippi, according to the release. All engineering and project management functions were completed in McDermott’s Americas, Europe and Africa headquarters in Houston.

Offshore